Fix issues with reverting nested properties

Fixes #39

1 files changed, 7 insertions, 6 deletions

diff --git a/lib/__set__.js b/lib/__set__.js
index 3fcfbdb..83671a1 100644
--- a/lib/__set__.js
+++ b/lib/__set__.js
@@ -13,18 +13,19 @@ function __set__() {
     arguments.varName = arguments[0];
     arguments.varValue = arguments[1];
     arguments.src = "";
-    arguments.snapshot = {};
+    arguments.revertArgs = [];
 
     if (typeof arguments[0] === "object" && arguments.length === 1) {
         arguments.env = arguments.varName;
         if (!arguments.env || Array.isArray(arguments.env)) {
             throw new TypeError("__set__ expects an object as env");
         }
+        arguments.revertArgs[0] = {};
         for (arguments.varName in arguments.env) {
             if (arguments.env.hasOwnProperty(arguments.varName)) {
                 arguments.varValue = arguments.env[arguments.varName];
                 arguments.src += arguments.varName + " = arguments.env." + arguments.varName + "; ";
-                arguments.snapshot[arguments.varName] = eval(arguments.varName);
+                arguments.revertArgs[0][arguments.varName] = eval(arguments.varName);
             }
         }
     } else if (typeof arguments.varName === "string" && arguments.length === 2) {
@@ -32,16 +33,16 @@ function __set__() {
             throw new TypeError("__set__ expects a non-empty string as a variable name");
         }
         arguments.src = arguments.varName + " = arguments.varValue;";
-        arguments.snapshot[arguments.varName] = eval(arguments.varName);
+        arguments.revertArgs = [arguments.varName, eval(arguments.varName)];
     } else {
         throw new TypeError("__set__ expects an environment object or a non-empty string as a variable name");
     }
 
     eval(arguments.src);
 
-    return function (snapshot) {
-        module.exports.__set__(snapshot);
-    }.bind(null, arguments.snapshot);
+    return function (revertArgs) {
+        __set__.apply(null, revertArgs);
+    }.bind(null, arguments.revertArgs);
 }
 
 module.exports = __set__;